{
  "manageEntity": {
    "action": "Update",
    "entityId": "810791021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7b25a1910b4afc9a802635a15e2d93888be5077b98c9efbf7ff2ad36cf0f3aa3",
    "signature": "0x4a7afd7ca290d86d7c9647bf452136cc0d2d06760d33cd35607fb1b5903a712742c2a766573e24f1f23a964feea2485073fb8c9c05ae485e000e05529be180be1c",
    "signer": "0x2F18Dd2cEA7B346F7F93De98489bCbD4c5fc3Eda",
    "userId": "810791021"
  }
}